Home / 12,519.22-17,276.52-7,217.11

Finding the Fourth Proportional to 12,519.22, 17,276.52 and 7,217.11

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Solution

The fourth proportional to 12,519.22, 17,276.52 and 7,217.11 is: 9,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.22 : 17,276.52 = 7,217.11 : x
  2. Step 2: Convert to fraction form
    12,519.22/17,276.52 = 7,217.11/x
  3. Step 3: Cross multiply
    12,519.22x = 17,276.52 × 7,217.11
  4. Step 4: Simplify right side
    12,519.22x = 124,686,545.26
  5. Step 5: Solve for x
    x = 124,686,545.26/12,519.22
  6. Step 6: Final answer
    x = 9,959.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.